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Individual Calculations December 2019 |
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| Kokkonen, Sirpa Total change: 9.80 | |   |
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| Norrbotten Open DM 2019 | Haparanda | SWE | 2019-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1623 | 1252 | 1.00 | 5 | 0.49 | 20 | 9.80 | |
|  Rova, Per-Olov | | | 1652 * | SWE | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Ikonen, Jari | | | 1652 * | SWE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gustafsson, Lars-Ake | | | 1506 | SWE | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Ruokamo, Vesa | | | 1652 * | FIN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Astrom, Anders | | | 1652 * | SWE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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